Heat gain and retention structure, particularly a cold frame

Details Heat gain and retention structure, particularly a cold frame Heat gain and retention structure, particularly a cold frame

1985-10-15

1987-06-09

Goodrow, John L.

Plant husbandry

Bench or elevated bed, hotbed

47 19, 47 26, 47 29, 47 33, 428 35, A01G 900, A01G 1300

Patent

active

046710116

ABSTRACT:
An insulated cold frame includes an insulated box having an upwardly extending insulated rear wall and a rigid insulated cover rotatable about a horizontal axis from a sealed position to a fully open position. A glazing cover inside the insulated cover permits light to reach the interior of the cold frame and provides a heat gain during daylight hours when the insulated cover is open. The glazing cover is rotatable about substantially a common axis with the insulated cover to provide ventilation and temperature control.

REFERENCES:
patent: 2777253 (1957-01-01), Bensin
patent: 3128508 (1964-04-01), Burnham
patent: 3129530 (1964-04-01), Anderson
patent: 3321864 (1967-05-01), Stasiuk
patent: 3946521 (1976-03-01), Ours
patent: 4005547 (1977-02-01), Caldwell
patent: 4014133 (1977-03-01), Brown
patent: 4242833 (1981-01-01), Maes, Jr.
patent: 4249340 (1981-02-01), Maes, Jr.
patent: 4367726 (1983-11-01), Maes, Jr.
patent: 4429489 (1984-02-01), Fischer
"House and Garden" magazine, (Oct. 1975, Aug. 1977).
"Solar Age" magazine, (Oct. 1976).
"Organic Gardening", (Jan. 1977).

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